body {
    background: #F8F9FB;
}

.top_header {
    // background-color: black;
    position: absolute;
}

.top_header .nav a {
    color: #ffffff;
    text-decoration: none;
}

.top_header .login_reg a:nth-child(1) {
    color: rgb(255, 255, 255);
    border: 1px solid #d1d1d1 !important;
}

.top_header .login_reg a:nth-child(2) {
    color: #ffffff;
}

.active {
    color: #fff !important;
    border-bottom: 3px solid #fff !important;
}

.Assist {
    width: 100%;
    height: 360px;
    background-color: rgba(0,0,0,.88);

    .Assist_background {
        width: 1200px;
        height: 360px;
        // background-color: rgb(0, 0, 0);
        margin: auto;
        color: #fff;
        text-align: center;
        position: absolute;
        top: 0;
        left: 50%;
        transform: translate(-50%);

        // background-color: #5f9cff;
        h1,
        p {
            position: relative;
            top: 43%;
            transform: translateY(-50%);
            margin: 0;
        }

        p {
            // height: 40px;
            width: 1200px;
            // background-color: red;
            // line-height:40px;
            margin-top: 20px;
        }
    }
}


.tycoon {
    // background: rgb(222, 222, 222);

    .line {
        width: 18px;
        height: 3px;
        background: #5f9cff;
        margin: 10px 0;
    }

    .common-title {
        padding-top: 30px;
        font-weight: bold;
    }

    .english-txt {
        font-size: 12px;
        color: #666;
    }

    .case-title {
        margin: 30px 0 20px 0;
        font-weight: bold;
        position: relative;

    }

    .case-title::after {
        display: inline-block;
        content: "";
        width: 16px;
        height: 3px;

        position: absolute;
        top: 19px;
        left: 0;
        background-color: #1271ef;
    }

    .case-list {
        display: flex;

        li {
            width: 355px;
            height: 340px;
            margin-right: 20px;
            border: solid 1px #ddd;
            padding: 10px;

            .imgs {
                width: 100%;
            }

            h4 {
                color: #181818;
                margin: 30px 0 15px 0;
            }

            p {
                font-size: 12px;
                color: #666;
                line-height: 12px;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 4;
                overflow: hidden;
            }

            span {
                display: block;
                color: #1271ef;
                margin-top: 20px;
            }
        }

        li:nth-child(3n) {
            margin-right: 0;
        }

    }


    .Partners-list {
        display: flex;
        flex-wrap: wrap;

        li {
            width: 355px;
            height: 120px;
            margin-right: 20px;
            margin-bottom: 20px;
            background-color: #fff;
            text-align: center;
            line-height: 150px;
        }

        li:nth-child(3n) {
            margin-right: 0;
        }
    }
}

.floor {
    position: fixed;
    top: 50%;
    right: 400px;
    cursor:pointer;
    li {
        margin: 20px 0;
        font-size: 14px;
    }

    .target::before {
        position: absolute;
        left: -20px;
        content: "";
        width: 13px;
        height: 3px;
        background-color: #1271ef;
        margin-top: 5px;
    }
}



footer {
    background: rgb(255, 255, 255);
}